生态学报2009，Vol.29Issue(7)：3613-3620,8.
基于营养通道模型的渤海生态系统结构十年变化比较
Comparative study on the changes of the Bohai Sea ecosystem structure based on Ecopath model between ten years
摘要
Abstract
The study was based on the investigations of fishery resources and environment of the Bohai Sea in 1982 and 1992. Using the EwE modeling software, the mass-balance models of the Bohai Sea ecosystem during the two periods were constructed. Based on the two models, the changes of the Bohai Sea ecosystem structure and fishery resources between ten years were compared and analyzed. The models included 17 functional groups covering the main trophic flow of the Bohai Sea ecosystem, which were Japanese anchovy, Scaly hairfin anchovy,Japanese Spanish mackerel,other pelagic fishes, small yellow croaker, seabass, benthic fishes, other demersal fishes, zooplankton, phytoplankton, detritus, etc. The results indicated that the total biomass of 1992 was lower than that of 1982, and small sized pelagic fishes have become the main components of the fishery resources in the Bohai Sea in 1992, and the proportion was obviously higher than that in 1982. Since the catch of lower trophic level fishes increased in 1992, the mean trophic level of catch declined. The Bohai Sea ecosystem in 1982 and 1992 were both in developmental stage, and the system scale in 1982 was greater than that in 1992. From 1982 to 1992, the changes of the Bohai Sea ecosystem structure were mainly due to the decrease of primary production and increase of fishing pressure. Since there was high surplus production, the recovery of depleted fishery stocks and increase of fishery resources may be possible and high potential if the rational conservation measures were applied.关键词
渤海/营养通道模型/生态系统结构/渔业资源Key words
Bohai Sea/mass-balance modeling (ecopath)/ecosystem structure/fishery resources分类
生物科学引用本文复制引用
林群,金显仕,张波,郭学武..基于营养通道模型的渤海生态系统结构十年变化比较[J].生态学报,2009,29(7):3613-3620,8.基金项目
国家重点基础研究规划资助项目(2006CB400607) （2006CB400607）
国家自然科学基金资助项目(30490233) （30490233）
基本科研业务费专项资金资助项目(2007-qn-04) （2007-qn-04）
国家科技支撑计划课题资助项目(2006BAD09A15) （2006BAD09A15）
国家农业部黄渤海区渔业资源环境重点野外科学观测试验站资助 （）
